POW has an inherent problem with always leading to miner centralization, whereas DPOS overtime become less centralized.

POW = whoever has the cheapest and most updated software and hardware wins. They end up becoming ultra efficient which raises the hashing power needed to perform the same number of actions. To compete with them over a long span of time you won't be able to. One single entity that is the most efficient in doing so emerges and it is happening already. The highest hashrate mining operations are in China... Which is what Justin Sun is owned by. JS bought steemit to censor it and ruin it for the CHinese government.

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